Massage instrument.



PATENTYED APR. 9, 1907.

W. G. SHELTO N.

MASSAGE INSTRUMENT.

APPLICATION FILED NOV. 13, 1905.

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WITNESS 8: INVENTOR Arman/Em.

5 Willi m Gentry Shelton.

No. 849,924. PATENTED APR. 9, 1907. W. G. SHELTON.

MASSAGE INSTRUMENT. APPLIOATION FILED NOV .13, 1905.

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nrrnn STATES WILLIAM GENTRY SHELTON, OF CHICAGO, ILLINOIS.

MASSAGE INSTRUMENT.

To all whom it may concern:

Be it known that 1, WILLIAM GENTRY SnELToN, a citizen of the UnitedStates, ibrmerly residing at the city of St. Louis, in the State ofMissouri, and now residing at the city of Chicago, in the county of Cookand State of Illinois, have invented a certain new and useful MassageInstrument, of which the followingnis such a full, clear, and exactdescription as will enable any one skilled in the art to which itappertains to make and use the same, reference being had to theaccomplanying drawings, forming part of this specication.

- My invention relates more particularly to a massage-machine resemblingthat shown and described in Patents No. 816,506, granted to me March 27,1906", and No. 829,742, granted to me August 28, 1906, and has for itsobject to provide improved means for adjusting the operating connectionsbetween the rotary member and vibrating contact device of such machines.

Referring to the drawings, in which like characters of referenceindicate similar parts in the different views, Figure 1 is a sideelevation of a machine embodying the preferred form of my invention.Fig. 2 is an enlarged vertical cross-section showing some of the partsin detail. Fig-3 is a vertical cross-section through the operatingmechanism. Figs. 4 and 5 are respectively a vertical cross-section and aside elevation of a slightly-modified form of my improvement, and Fig; 6is a vertical cross-section on the line 6 6 of Fig. '4, and .Fig. 7 isan enlarged detailed view of one of the parts.

The casing or frame of the machine is composed of two parts .10 and 11,.to the former of which the handle 12 is attached. To the handle 12 leadsthe conductor 14, which conveys the current by which the device isdriven. The "parts 10 and 11 of the casing are held together by means ofscrews 15. In

the part 11 is a journal-bearinglT'and in the partlO a journal-bearing18." In these bear- The bearing 18 is suitabl ings a shaft 19 is mountedand carries the armature 20 of the electric motor.

' 21 is a circuit-breaker controlling the current supplied to the motor.

24 is a flywheel fastened'u on the shaft 19, which is journaled in theushing 25 in the bearing 18 by means of. a set-screw 26. supported fromthe casing 11 by means of ms 27. The fiywheel 24 is provided with aninclined radial Specification of Letters Patent.

Application filed November 13, 1905. Serial No. 287,167.

Patented April 9, 1907.

slot 29, having an opening at its side. In this slot 29 is pivotally andslidingly journaled a ball 31, rotatably mounted on the bar 32 by meansof a sleeve33, thusiforming a pivotal connection between the bar 32 andfly-wheel 24.? Through the sleeve 33 passes a screwthreaded pin 34,which enters the end of the bar 32 and forms a swiveled connectionbetween the ball 31 and the bar 32. The opposite end of the bar 32carries the contactpiece 35. It is also provided with a ball 36. Theouter end-37 of the part 10 of the casing is-screw-threaded and hasscrewed into it a screw-threaded member 38 as best. shown in Figs. 2 and3. This member 38 is provided with a contracted portion 39 and an enlared portion 40. A second enlarged portion at the opposite side of thecontracted portion 39 contains the ball 36, provided with a pin 42,

which projects into a slot 43 in the outer end of the member 38. Uponthe outer end. of the member 38 is a milled nut 45, rigidly fastenedthereon by means of a set-screw 46. This nut holds in place a rawhidebearing 47 for the ball 36, a brass washer 48 being interposed betweenthe two parts. The opening in the outer end 37 of the casing is madeadjustable by being provided witha slot 50,

clamped with a set-screw. 51 in lugs 52 at.

each side of the slot. 2

53 is a lock-nut threaded upon the outer end of the member 38 andadapted to abut against the shoulder formed by the end 37 of the casing.

Referring now to the modification shown in Figs. 4, 5, and 6, it willbe-seen that the bar 32 is also provided with a contact device 35 and aball 36. In this case, however, the

lower end 37 of the casing is sleeved about a cylindrical member orextension 56. In the outer end 37 of the casing is a slot 57, part ofwhich is inclined, as best shown in Fig. 5.

Passing around the end of the casing is a ring 58, rovided with lugs 59and 60. Between the lhgs 59 and 60 is a member 61, carrying a pin 62,which passes through the slot 57 and into an opening 63 in the tube 56.The lugs 59 and, 60 are provided with a thumb-screw 64.- The member 56,which practically forms an extension of the lower end of the casing 37,is also provided with a bushing 65, which forms a part of the bearingfor the ball 36.. The other part of this bearing is formed by a washer66, held in place by a coil-spring 67, which abuts against a head 68,screwthreaded upon the outer end of the part 56.

The washer 66 and the bushing are provided with cut-away portions 69 and70, which register with one another to form an opening into which thepin 71 on the ball 36 projects. I

In the operation of my invention it is evident that the rotation of themotor-armature 20 will cause a vibratory movement of the contact device35, and it is evident that by 0 eratin the devices above described to cange t e osition of either of the members 38 or 56, W .ich practicallyform extensions of the lower part of the casing 37 to move the contactdevice 35 toward and away from the fly-wheel 24, the amount of thevibration imparted to the contact device 35 may be varied as desired,this operationresulting in radially changing the position of the bal 31in the slot 29. When the proper amount of vibration has been secured,the parts may be fastened firmly in position in the form shown in Figs.1, 2, and 3 by means of a lock-nut 53 and in the form shown in Figs. 4,5, and 6 by means of the thumb-screw 64. The operation of the device hasbeen more fully described in my rior applications above set forth, andis tlierefore not more fully referred to here.

Having fully described my invention, what I claim as new, and desire tosecure by Letters Patent of the United States, is-

1. The combination wit-h a frame, of a rotary member carried thereby, acontact member, adjustable operating connections between said membersand pivotally connected to said rotary member, and a pivotal jointcarried by said frame and adjustable relatively thereto to vary saidoperating connections and connected at a fixed point with said contactmember.

2. The combination with a frame, of a rotary member carried thereby, acontact member, adjustable operating connections between. said members,and a pivotal joint one part of which is resiliently mounted on saidframe and adjustable relatively thereto to vary said operatingconnections and the other connected at a fixed point with said contactmember.

3. Thecombination with a frame, of a rotary member carried thereby, acontact member, adjustable operating connections between said membersand pivotally con nected to said rotary member, and a universal jointcarried by said frame and adjustable relatively thereto to vary saidoperating connections and connected at a fixed point with said contactmember.

4. The combination with a frame, of a r0- tary member carried thereby, acontact member, adjustable operating connections between said membersand pivotally .connected to said rotary member and a pivotal jointcarried by said frame and adjustable relatively thereto to vary saidoperating con-- 'member, adjustable operating connectionsbetween saidmembers -and pivotally connected with said rotary member, and auniversal joint carried by said frame and adjustable relatively theretoto vary said operating connections and ronnected at a fixed point withsaid contact member, said contact member being movable toward and awayfrom said rotary member to adjust said 0 rating connections.

6. he combination with a frame, of a rotary member carried thereby, acontact member, a bar carrying said contact member and adjustablyconnected with said rotary member, and a universal joint carried by saidframe and adjustable relatively thereto to vary said operatingconnections and connected to said bar at a point fixed relatively tosaid contact member.

7. The combination with a frame, of a rotary member carried thereby, acontact member, operating means connected with said contact member andmaking radial sliding connection with said rotary member, and a ivotaljoint carried by said frame and adustable' relatively thereto to varsaid operating connections and connecte at a fixed point withsaidcontact member.

8. The combination with a frame, of a rotary member carried thereby, acontact mem? ber, adjustable operating connections be-v tween saidmembers and pivotally conmected with said rota member, a pivotal jointcarried by said rame and connected with said contact member at a pointfixed relatively to said contact member, and means for moving saidcontact member toward and away from said rotary member to adjust saidoperating connections. 7'

9. The combination with a frame, of a rotary member carried thereby, acontact member, adjustable operating connections between said membersand pivotally connected with said rotary member, a pivotal joint carriedby said frame and adjustable relatively thereto to vary' said operatingconnections and connected at a fixed point withsaid contact member, andmeans for locking said pivotal 'oint in osition.

10. T e combination with a frame, of a rotary member carried thereby,acontacl member, adjustable 'operating connections between said membersand pivotally connected with said rotary member, a pivotal joint carriedby said frame and adjustable rela tively thereto to adjust saidoperating connections and connected with 'said contact IIC . device,said contact device being movable toward and away from said rotarymember to adjust said operating connections, and means for locking saidjoint in position.

11. The combination with a frame, of a rotary member carried thereby, acontact me mber, a bar carrying said contact member and adjustablyconnected with said rotary mem= ber, auniversal joint ad'ustably carriedby said frame and connected with said bar at a fixed distance from saidcontact device, means for adjusting said universal joint toward and awayfrom said rotary member to adjust said operating connections, and meansfor locking said joint in position.

12. The combinationwith a frame, of an adjustable extension carriedthereby, a contact member, a bar carrying said'contact member at one endand adjustably connected at its other end with-said rotary member, auniversal joint adjustable relatively to said frame to vary theconnection between said bar and rotary member and connected to said barat a fixed distance from said contact device and carried by saidextension, and means vfor locking said extension in position.

13. The combination with. a frame provided with a screw-threadedopening, of a screw-threaded extension in said opening, a rotary membercarried by said frame,

,a contact device, a bar carrying said contact device at one end andadjustably connected at its other end to said rotarv mem- I her. auniversal joint adjustable relatively to said frame to vary theconnection between said bar and rotary member and carried by saidextension and connected to said bar at 14. An apparatus of thecharacter. de-

scribed comprising a driven shaft, a frame wherein said shaft isjournaled and provided with a collar, a sleeve rovided with asphericalbearing and mova y located in the collar, an applicator-shaft adapted toen age and carry an applicator and aving a spfherical enlargementengaged in the spherical bearing of the sleeve, means for moving thesleeve and thereby throwing the applicatorshaft in and out of alinementwith the driven shaft, and a connection between the driven shaft andapplicator-'shaft'for operating the latter.

In testimony whereof I have hereunto set my hand. and affixed my seal inthe presence of the two subscribing witnesses.

' WILLIAM GENTRY SHELION. [1.. s.]

Witnesses:

A, J. CROWLEY, W. H. RONEY.

